{"product_id":"truspeed-bp-ii-transistor-analog-controller-no","title":"TruSpeed BP II Transistor Analog Controller","description":"\u003cp\u003e🎮 TruSpeed BP II Transistor Analog Slot Car Controller Smooth, Predictable Power for Competitive Analog Racing The TruSpeed BP II is a precision analog controller designed for racers who want smooth throttle response, finely tuned braking, and intuitive feel — without complexity. Its modern transistor design and simple, adjustable controls make it an ideal choice for club racers and serious hobbyists alike. ⚙️ Key Features Transistor-based technology for precise, lag-free speed control Brake adjustment with automatic HOLD function Sensitivity adjustment with built-in CURVE feature Pre-set potentiometer for adjusting sensitivity range Adjustable trigger return spring tension Single and double finger triggers included — tool-free clip-on change 8 color sticker labels for controller identification included Spare parts available on request This controller offers a natural and progressive feel , allowing you to adapt quickly to any track or car setup. 🔌 Wiring Compatibility Designed for POSITIVE polarity track wiring: BROWN (WHITE) – Power (from power supply) BLUE (BLACK) – Output (to track) GREEN\/YELLOW (RED) – Brake (from power supply) LED Indicators: BLUE LED = Positive polarity (correct) RED LED = Negative polarity (not recommended for this controller) 🧠 How It Works Speed Control Trigger movement progressively increases DC voltage to the car for smooth, precise throttle response . Brake Control Rotary dial sets braking strength. Built-in HOLD function gradually releases brakes as the car slows — offering natural, proportional deceleration based on speed. Sensitivity Control Adjusts how aggressively the car responds to trigger movement. Use the blue pre-set pot to set the full range: Turn counter-clockwise to decrease sensitivity Fine-tune to match car type and track grip Trigger Options Supplied with single-finger trigger installed Double-finger trigger included — easily swapped without tools 📦 What’s Included TruSpeed BP II controller Single and double-finger triggers 8 color-coded ID stickers Quick Start Guide (downloadable) NO Connector included. We can install XLR, Alligator or Banana plugs if ordered separately. 🚚 Notice: We have added the latest Trump Tax Tariff on this item.  We will return to pre-tariff pricing if the Supreme Court upholds the appeals court decision that they are illegal. Shipping Ships next business day via USPS Ground Advantage Shipping charged at cost based on weight and destination Combine with other items for discounted shipping International shipping available Arkansas buyers subject to sales tax If the system overestimates shipping, we’ll refund the difference upon request. 🔁 Returns \u0026amp; Satisfaction Guarantee 30-day returns accepted if unused and in original condition Please contact us before starting a return — we’re happy to help If something’s wrong, we’ll make it right — guaranteed 🏁 Race Smarter with OmniSlotBox Need help selecting the right controller or tuning your setup? Just ask! We’re happy to help with everything from club racing to analog\/digital conversions. Let’s race! ~ Jim Cunningham 👉 www.slotcarclubhouse.com\u003c\/p\u003e","brand":"Store1","offers":[{"title":"Default Title","offer_id":46726041239749,"sku":"BP-II-TRU-SPD","price":136.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0776\/4937\/9525\/files\/TruSpeedBPIITransistorAnalogController.webp?v=1786712496","url":"https:\/\/omnislotbox.com\/products\/truspeed-bp-ii-transistor-analog-controller-no","provider":"OmniSlotBox at the Slotcar Clubhouse","version":"1.0","type":"link"}